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Non-nutrient/non-botanical · Supplement ingredient

Magnesium

Magnesium is listed on 27,686 U.S. supplement product labels in the NIH DSLD, #3 of 4,614 by label frequency.

27,686
Products
#3 of 4,614
By frequency
NIH
Dosing fact sheet
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Magnesium dosing reference

NIH ODS Fact Sheet →
Recommended Dietary Allowance (RDA / AI)
400–420 mg for adult men, 310–320 mg for adult women
Tolerable Upper Intake Level (UL)
350 mg from supplements only (no UL on dietary intake) for adults
Drug interactions
Reduces absorption of bisphosphonates, quinolone and tetracycline antibiotics. May enhance effect of muscle relaxants.
Pregnancy & lactation
RDA during pregnancy is 350–360 mg; lactation 310–320 mg.

Statement required by FDA: These statements have not been evaluated by the Food and Drug Administration. Dietary supplements are not intended to diagnose, treat, cure, or prevent any disease. Consult a licensed healthcare provider before starting, stopping, or combining any supplement, especially if you are pregnant, nursing, take prescription medication, or have a medical condition.

Source: https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/

How common is Magnesium?

Number of supplement labels listing Magnesium vs nearby non-nutrient/non-botanical ingredients

products
Source NIH Dietary Supplement Label Database (DSLD) As of 2026

Products containing Magnesium

Vitamin C 1000 mg with Rose Hips
Nature's Way
4 ingredients · Botanical with Nutrients
On Market
Vitamin C 1000 mg with Rose Hips Sustained Release
Bronson
11 ingredients · Botanical with Nutrients
On Market
Vitamin C 1000 mg with Rose Hips Sustained Release
Bronson
8 ingredients · Botanical with Nutrients
On Market
Vitamin C 1000 mg with Rosehips
NaturesPlus
10 ingredients · Botanical with Nutrients
On Market
Vitamin C 1000 mg with Rosehips Sustained Release
NaturesPlus
9 ingredients · Botanical with Nutrients
On Market
Vitamin C 1000 mg/caps
Naturgin Products USA
3 ingredients · Vitamin
On Market
Vitamin C 1500 mg
Nature's Blend
5 ingredients · Vitamin
On Market
Vitamin C 1:1
Douglas Laboratories
8 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Vitamin C 1:1
Douglas Laboratories
8 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Vitamin C 250 mg
Bronson Laboratories
13 ingredients · Vitamin
On Market
Vitamin C 250 mg
AvPAK
7 ingredients · Vitamin
On Market
Vitamin C 250 mg
Geri-Care
13 ingredients · Vitamin
On Market
Vitamin C 250 mg
Geri-Care
13 ingredients · Vitamin
On Market
Vitamin C 500
BioCare
8 ingredients · Botanical with Nutrients
On Market
Vitamin C 500 mg
The Vitamin Shoppe
6 ingredients · Vitamin
On Market
Vitamin C 500 mg
Foods Plus
6 ingredients · Vitamin
On Market
Vitamin C 500 mg
Nature Made
7 ingredients · Vitamin
On Market
Vitamin C 500 mg
Bronson
8 ingredients · Vitamin
On Market
Vitamin C 500 mg
Bronson
8 ingredients · Vitamin
On Market
Vitamin C 500 mg
Marlex Pharmaceuticals
6 ingredients · Vitamin
On Market
Vitamin C 500 mg
Pharbest
8 ingredients · Vitamin
On Market
Vitamin C 500 mg
Nature's Blend
6 ingredients · Vitamin
On Market
Vitamin C 500 mg
Bluebonnet
5 ingredients · Vitamin
On Market
Vitamin C 500 mg
Bluebonnet
5 ingredients · Vitamin
On Market
Vitamin C 500 mg
Nature Made
8 ingredients · Vitamin
On Market
Vitamin C 500 mg
Sundown
5 ingredients · Vitamin
On Market
Vitamin C 500 mg
Geri-Care
11 ingredients · Vitamin
On Market
Vitamin C 500 mg
Geri-Care
7 ingredients · Vitamin
On Market
Vitamin C 500 mg
Geri-Care
7 ingredients · Vitamin
On Market
Vitamin C 500 mg
Geri-Care
7 ingredients · Vitamin
On Market
Vitamin C 500 mg Chewable Orange Tablets
Sunkist
14 ingredients · Vitamin
On Market
Vitamin C 500 mg plus Herbs
Wonder Laboratories
15 ingredients · Other Combinations
On Market
Vitamin C 500 mg plus Herbs
Wonder Laboratories
15 ingredients · Other Combinations
On Market
Vitamin C 500 mg plus Rose Hips
Woodstock Vitamins
7 ingredients · Botanical with Nutrients
On Market
Vitamin C 500 mg Timed Release
Wonder Laboratories
8 ingredients · Botanical with Nutrients
On Market
Vitamin C 500 mg Timed Release
Wonder Laboratories
8 ingredients · Botanical with Nutrients
On Market
Vitamin C 500 mg Timed Release
Wonder Laboratories
8 ingredients · Botanical with Nutrients
On Market
Vitamin C 500 mg Timed Release
Wonder Laboratories
8 ingredients · Botanical with Nutrients
On Market
Vitamin C 500 mg USP
Nature's Harmony
9 ingredients · Vitamin
On Market
Vitamin C 500 mg with Natural Rose Hips
up&up
9 ingredients · Botanical with Nutrients
On Market
Vitamin C 500 mg With Rose Hips
Nature Made
8 ingredients · Vitamin
On Market
Vitamin C 500 mg With Rose Hips
Nature Made
8 ingredients · Vitamin
On Market
Vitamin C 500 mg with Rose Hips Sustained Release
NaturesPlus
9 ingredients · Botanical with Nutrients
On Market
Vitamin C And Lysine 500 mg
Bronson Laboratories
7 ingredients · Other Combinations
On Market
Vitamin C Buffered C-1000
Healths Harmony
8 ingredients · Other Combinations
On Market
Vitamin C Buffered Powder
Designs for Health
4 ingredients · Other Combinations
On Market
Vitamin C Buffered Powder
Beyond Health
5 ingredients · Other Combinations
On Market
Vitamin C Buffered Tablets
Beyond Health
10 ingredients · Other Combinations
On Market
Vitamin C Caps 1,000 mg
Woodstock Vitamins
4 ingredients · Vitamin
On Market
Vitamin C Capsules
Douglas Laboratories
8 ingredients · Other Combinations
On Market

Nearby Ingredients in Non-nutrient/non-botanical

Other ingredients in the Non-nutrient/non-botanical category cataloged in the NIH DSLD. Useful for comparing how common different nutrients are across the US supplement market.

Compare Magnesium vs Citric Acid →

Nationwide ingredients with similar DSLD presence

Two peer sets for Magnesium: closest on total DSLD label listings (27,686 here) and closest on distinct brands that list it (2,255 here). Peers exclude the same DSLD category, and rows stay link-disjoint so each axis is a distinct neighborhood.

Similar label frequency

Nearest other ingredients by distinct DSLD product labels (floored at ≥50), outside this category.

Similar brand breadth

Nearest other ingredients by distinct brands listing them (floored at ≥100 brands), distinct from the label-frequency row.

Frequently asked about Magnesium

What is the Recommended Dietary Allowance (RDA) for Magnesium?
400–420 mg for adult men, 310–320 mg for adult women. The RDA is the average daily intake sufficient to meet the nutrient requirements of nearly all (97–98%) healthy people. Source: NIH Office of Dietary Supplements.
Is there an upper limit for Magnesium?
350 mg from supplements only (no UL on dietary intake) for adults (Tolerable Upper Intake Level, UL, the maximum daily intake unlikely to cause adverse health effects in the general population).
Does Magnesium interact with medications?
Reduces absorption of bisphosphonates, quinolone and tetracycline antibiotics. May enhance effect of muscle relaxants. This is a partial list, always discuss supplement use with a pharmacist or prescribing provider.
What about Magnesium during pregnancy or breastfeeding?
RDA during pregnancy is 350–360 mg; lactation 310–320 mg.
How many supplement products contain Magnesium?
27,686 supplement product labels in the NIH DSLD currently lists Magnesium as an ingredient. By label frequency it ranks #3 of 4,614 among ingredients PlainVitamins ranks (same sort as /rankings/most-common-ingredients). Browse them below.

Source: NIH Office of Dietary Supplements, Dietary Supplement Label Database (DSLD) · Dosing reference: NIH ODS Magnesium Health Professional Fact Sheet. Regulatory reference: Source: Dietary Supplement Health and Education Act (DSHEA), 1994, 21 U.S.C. § 321(ff).

Disclaimer, Not Medical Advice: Information on this page is based on manufacturer-declared label data and is provided for educational and reference purposes only. It does not constitute medical, nutritional, or health advice. Consult a licensed healthcare provider before starting, stopping, or combining any supplement, especially if you are pregnant, nursing, take prescription medication, or have a medical condition.

Every figure on PlainVitamins is rendered directly from the NIH Dietary Supplement Label Database (DSLD), no number is typed in by an editor. Ingredient figures are computed directly from the NIH DSLD, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.